chore(deps): bump io.extendreality.vrtk.prefabs from 1.1.4 to 1.1.5
chore(deps): bump io.extendreality.vrtk.prefabs from 1.1.4 to 1.1.5

Bumps [io.extendreality.vrtk.prefabs](https://github.com/ExtendRealityLtd/VRTK.Prefabs) from 1.1.4 to 1.1.5.
- [Release notes](https://github.com/ExtendRealityLtd/VRTK.Prefabs/releases)
- [Changelog](https://github.com/ExtendRealityLtd/VRTK.Prefabs/blob/master/CHANGELOG.md)
- [Commits](ExtendRealityLtd/VRTK.Prefabs@v1.1.4...v1.1.5)

gomez-addams/SteamVR_Unity_Toolkit,thestonefox/VRTK,thestonefox/SteamVR_Unity_Toolkit